7 static void usb_bus_dev_print(Monitor *mon, DeviceState *qdev, int indent);
9 static struct BusInfo usb_bus_info = {
11 .size = sizeof(USBBus),
12 .print_dev = usb_bus_dev_print,
14 static int next_usb_bus = 0;
15 static QTAILQ_HEAD(, USBBus) busses = QTAILQ_HEAD_INITIALIZER(busses);
17 USBBus *usb_bus_new(DeviceState *host)
21 bus = FROM_QBUS(USBBus, qbus_create(&usb_bus_info, host, NULL));
22 bus->busnr = next_usb_bus++;
23 QTAILQ_INIT(&bus->free);
24 QTAILQ_INIT(&bus->used);
25 QTAILQ_INSERT_TAIL(&busses, bus, next);
29 USBBus *usb_bus_find(int busnr)
34 return QTAILQ_FIRST(&busses);
35 QTAILQ_FOREACH(bus, &busses, next) {
36 if (bus->busnr == busnr)
42 static int usb_qdev_init(DeviceState *qdev, DeviceInfo *base)
44 USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev);
45 USBDeviceInfo *info = DO_UPCAST(USBDeviceInfo, qdev, base);
48 pstrcpy(dev->devname, sizeof(dev->devname), qdev->info->name);
50 rc = dev->info->init(dev);
52 usb_device_attach(dev);
56 void usb_qdev_register(USBDeviceInfo *info)
58 info->qdev.bus_info = &usb_bus_info;
59 info->qdev.init = usb_qdev_init;
60 qdev_register(&info->qdev);
63 void usb_qdev_register_many(USBDeviceInfo *info)
65 while (info->qdev.name) {
66 usb_qdev_register(info);
71 USBDevice *usb_create(USBBus *bus, const char *name)
76 /* temporary stopgap until all usb is properly qdev-ified */
78 bus = usb_bus_find(-1);
81 fprintf(stderr, "%s: no bus specified, using \"%s\" for \"%s\"\n",
82 __FUNCTION__, bus->qbus.name, name);
86 dev = qdev_create(&bus->qbus, name);
87 return DO_UPCAST(USBDevice, qdev, dev);
90 USBDevice *usb_create_simple(USBBus *bus, const char *name)
92 USBDevice *dev = usb_create(bus, name);
93 qdev_init(&dev->qdev);
97 void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index,
100 port->opaque = opaque;
102 port->attach = attach;
103 QTAILQ_INSERT_TAIL(&bus->free, port, next);
107 static void do_attach(USBDevice *dev)
109 USBBus *bus = usb_bus_from_device(dev);
113 fprintf(stderr, "Warning: tried to attach usb device %s twice\n",
119 port = QTAILQ_FIRST(&bus->free);
120 QTAILQ_REMOVE(&bus->free, port, next);
123 usb_attach(port, dev);
125 QTAILQ_INSERT_TAIL(&bus->used, port, next);
129 int usb_device_attach(USBDevice *dev)
131 USBBus *bus = usb_bus_from_device(dev);
134 if (bus->nfree == 1) {
135 /* Create a new hub and chain it on. */
136 hub = usb_create_simple(bus, "QEMU USB Hub");
142 int usb_device_delete_addr(int busnr, int addr)
148 bus = usb_bus_find(busnr);
152 QTAILQ_FOREACH(port, &bus->used, next) {
153 if (port->dev->addr == addr)
160 QTAILQ_REMOVE(&bus->used, port, next);
163 usb_attach(port, NULL);
164 dev->info->handle_destroy(dev);
166 QTAILQ_INSERT_TAIL(&bus->free, port, next);
171 static const char *usb_speed(unsigned int speed)
173 static const char *txt[] = {
174 [ USB_SPEED_LOW ] = "1.5",
175 [ USB_SPEED_FULL ] = "12",
176 [ USB_SPEED_HIGH ] = "480",
178 if (speed >= ARRAY_SIZE(txt))
183 static void usb_bus_dev_print(Monitor *mon, DeviceState *qdev, int indent)
185 USBDevice *dev = DO_UPCAST(USBDevice, qdev, qdev);
186 USBBus *bus = usb_bus_from_device(dev);
188 monitor_printf(mon, "%*saddr %d.%d, speed %s, name %s\n", indent, "",
189 bus->busnr, dev->addr,
190 usb_speed(dev->speed), dev->devname);
193 void usb_info(Monitor *mon)
199 if (QTAILQ_EMPTY(&busses)) {
200 monitor_printf(mon, "USB support not enabled\n");
204 QTAILQ_FOREACH(bus, &busses, next) {
205 QTAILQ_FOREACH(port, &bus->used, next) {
209 monitor_printf(mon, " Device %d.%d, Speed %s Mb/s, Product %s\n",
210 bus->busnr, dev->addr, usb_speed(dev->speed), dev->devname);